Precalculus Examples

Find the Inverse of the Resulting Matrix
Add the corresponding elements of to each element of .
Simplify each element of the matrix .
Tap for more steps...
Simplify .
Simplify .
Simplify .
Simplify .
The inverse of a matrix can be found using the formula where is the determinant of .
If then
The determinant of is .
Tap for more steps...
These are both valid notations for the determinant of a matrix.
The determinant of a matrix can be found using the formula .
Simplify the determinant.
Tap for more steps...
Simplify each term.
Tap for more steps...
Multiply by .
Multiply by .
Add and .
Substitute the known values into the formula for the inverse of a matrix.
Simplify each element of the matrix .
Tap for more steps...
Rearrange .
Rearrange .
Multiply by each element of the matrix.
Simplify each element of the matrix .
Tap for more steps...
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Enter YOUR Problem
Mathway requires javascript and a modern browser.
Cookies & Privacy
This website uses cookies to ensure you get the best experience on our website.
More Information